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<title>[32274] branches/3.8: WPDB: When sanity checking a string by sending it to MySQL for conversion checks, the incorrect data structure was being returned from wpdb::strip_invalid_text(), causing all write queries to fail for some character sets when the query contained non-ASCII characters.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/32274">32274</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/32274","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>pento</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2015-04-23 11:51:18 +0000 (Thu, 23 Apr 2015)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>WPDB: When sanity checking a string by sending it to MySQL for conversion checks, the incorrect data structure was being returned from wpdb::strip_invalid_text(), causing all write queries to fail for some character sets when the query contained non-ASCII characters.
Merge of <a href="https://core.trac.wordpress.org/changeset/32261">[32261]</a> to the 3.8 branch.
See <a href="https://core.trac.wordpress.org/ticket/32051">#32051</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches38srcwpincludeswpdbphp">branches/3.8/src/wp-includes/wp-db.php</a></li>
<li><a href="#branches38testsphpunittestsdbcharsetphp">branches/3.8/tests/phpunit/tests/db/charset.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="branches38srcwpincludeswpdbphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/3.8/src/wp-includes/wp-db.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/3.8/src/wp-includes/wp-db.php 2015-04-23 11:47:17 UTC (rev 32273)
+++ branches/3.8/src/wp-includes/wp-db.php 2015-04-23 11:51:18 UTC (rev 32274)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2103,6 +2103,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Split the CONVERT() calls by charset, so we can make sure the connection is right
</span><span class="cx" style="display: block; padding: 0 10px"> $queries[ $value['charset'] ][ $col ] = $this->prepare( "CONVERT( %s USING {$value['charset']} )", $value['value'] );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ unset( $data[ $col ]['db'] );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span></span></pre></div>
<a id="branches38testsphpunittestsdbcharsetphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/3.8/tests/phpunit/tests/db/charset.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/3.8/tests/phpunit/tests/db/charset.php 2015-04-23 11:47:17 UTC (rev 32273)
+++ branches/3.8/tests/phpunit/tests/db/charset.php 2015-04-23 11:51:18 UTC (rev 32274)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -55,19 +55,25 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 'expected' => "H€llo\xf0\x9f\x98\x88World¢"
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'koi8r' => array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // koi8r is a character set that needs to be checked in MySQL
</del><span class="cx" style="display: block; padding: 0 10px"> 'charset' => 'koi8r',
</span><span class="cx" style="display: block; padding: 0 10px"> 'value' => "\xfdord\xf2ress",
</span><span class="cx" style="display: block; padding: 0 10px"> 'expected' => "\xfdord\xf2ress",
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'db' => true
</del><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> 'hebrew' => array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // hebrew needs to be checked in MySQL, too
</del><span class="cx" style="display: block; padding: 0 10px"> 'charset' => 'hebrew',
</span><span class="cx" style="display: block; padding: 0 10px"> 'value' => "\xf9ord\xf7ress",
</span><span class="cx" style="display: block; padding: 0 10px"> 'expected' => "\xf9ord\xf7ress",
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'db' => true
</del><span class="cx" style="display: block; padding: 0 10px"> ),
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'cp1251' => array(
+ 'charset' => 'cp1251',
+ 'value' => "\xd8ord\xd0ress",
+ 'expected' => "\xd8ord\xd0ress",
+ ),
+ 'tis620' => array(
+ 'charset' => 'tis620',
+ 'value' => "\xccord\xe3ress",
+ 'expected' => "\xccord\xe3ress",
+ ),
</ins><span class="cx" style="display: block; padding: 0 10px"> 'false' => array(
</span><span class="cx" style="display: block; padding: 0 10px"> // false is a column with no character set (ie, a number column)
</span><span class="cx" style="display: block; padding: 0 10px"> 'charset' => false,
</span></span></pre>
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